<template>
  <div class='rank'
       ref='rank'>
    <scroll :data='topList'
            class='toplist'
            ref='toplist'>
      <ul>
        <li class='item'
            v-for='(item,index) in topList'
            :key='index'
            @click='selectItem(item)'>
          <div class='icon'>
            <img width='100'
                 height='100'
                 v-lazy='item.picUrl'>
          </div>
          <ul class='songlist'>
            <li class='song'
                v-for='(song,index) in item.songList'
                :key='index'>
              <span>{{index+1}}</span>
              <span>{{song.songname}}--{{song.singername}}</span>
            </li>
          </ul>
        </li>
      </ul>
      <div class='loading-container'
           v-show='!topList.length'>
        <loading></loading>
      </div>
    </scroll>
    <router-view></router-view>
  </div>
</template>

<script type="text/javascript">
import { getTopList } from 'api/rank'
import { ERR_OK } from 'api/config'
import Scroll from 'base/scroll/scroll'
import Loading from 'base/loading/loading'
import { playlistMixin } from 'common/js/mixin'
import { mapMutations } from 'vuex'
export default {
  mixins: [playlistMixin],
  name: 'Rank',
  data () {
    return {
      topList: []
    }
  },
  created () {
    this._getTopList()
  },
  methods: {
    handlePlaylist (playlist) {
      const bottom = playlist.length ? '60px' : ''
      this.$refs.rank.style.bottom = bottom
      this.$refs.toplist.refresh()
    },
    selectItem (item) {
      this.$router.push({
        path: `/rank/${item.id}`
      })
      this.setTopList(item)
    },
    _getTopList () {
      getTopList().then((res) => {
        if (res.code === ERR_OK) {
          console.log(res.data.topList)
          this.topList = res.data.topList
        }
      })
    },
    ...mapMutations({
      setTopList: 'SET_TOPLIST'
    })
  },
  components: {
    Scroll,
    Loading
  }
}
</script>

<style lang='stylus' scoped>
@import '~common/stylus/variable'
@import '~common/stylus/mixin'
.rank
  position: fixed
  width: 100%
  top: 88px
  bottom: 0
  .toplist
    height: 100%
    overflow: hidden
    .item
      display: flex
      margin: 0 20px
      padding-top: 20px
      height: 100px
      &:last-child
        padding-bottom: 20px
      .icon
        flex: 0 0 100px
        width: 100px
        height: 100px
      .songlist
        flex: 1
        display: flex
        flex-direction: column
        justify-content: center
        padding: 0 20px
        height: 100px
        overflow: hidden
        background: $color-highlight-background
        color: $color-text-d
        font-size: $font-size-small
        .song
          no-wrap()
          line-height: 26px
    .loading-container
      position: absolute
      width: 100%
      top: 50%
      transform: translateY(-50%)
</style>
